EP3874870A4 - Procédé et appareil pour la génération d'une séquence de signal de référence de démodulation - Google Patents

Procédé et appareil pour la génération d'une séquence de signal de référence de démodulation Download PDF

Info

Publication number: EP3874870A4
Authority: EP; European Patent Office
Prior art keywords: generation; reference signal; signal sequence; demodulation reference; demodulation
Prior art date: 2018-11-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP19879952.0A

Other languages

German (de)

English (en)

Other versions

EP3874870A1 (fr

Inventor

Zhipeng LIN

Robert Baldemair

Stefan Parkvall

Jianwei Zhang

Robert Mark Harrison

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Telefonaktiebolaget LM Ericsson AB

Original Assignee

Telefonaktiebolaget LM Ericsson AB

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-11-02

Filing date

2019-10-29

Publication date

2022-07-27

2019-10-29 Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB

2021-09-08 Publication of EP3874870A1 publication Critical patent/EP3874870A1/fr

2022-07-27 Publication of EP3874870A4 publication Critical patent/EP3874870A4/fr

Status Pending legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Quality & Reliability (AREA)
Power Engineering (AREA)
Mobile Radio Communication Systems (AREA)

EP19879952.0A 2018-11-02 2019-10-29 Procédé et appareil pour la génération d'une séquence de signal de référence de démodulation Pending EP3874870A4 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CN2018113612		2018-11-02
PCT/CN2019/114044 WO2020088462A1 (fr)	2018-11-02	2019-10-29	Procédé et appareil pour la génération d'une séquence de signal de référence de démodulation

Publications (2)

Publication Number	Publication Date
EP3874870A1 EP3874870A1 (fr)	2021-09-08
EP3874870A4 true EP3874870A4 (fr)	2022-07-27

Family

ID=70462527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19879952.0A Pending EP3874870A4 (fr)	2018-11-02	2019-10-29	Procédé et appareil pour la génération d'une séquence de signal de référence de démodulation

Country Status (5)

Country	Link
US (1)	US20210359887A1 (fr)
EP (1)	EP3874870A4 (fr)
JP (1)	JP7464594B2 (fr)
CN (1)	CN112997557A (fr)
WO (1)	WO2020088462A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115443623B (zh) *	2020-04-17	2024-12-31	中兴通讯股份有限公司	数据传输方案
WO2022082792A1 (fr)	2020-10-23	2022-04-28	华为技术有限公司	Procédé et appareil de transmission de signal et de détection de signal
EP4555658A1 (fr) *	2022-07-12	2025-05-21	Sony Group Corporation	Procédés de communication avec une pluralité de seconds noeuds par le biais de canaux respectifs, de premiers noeuds associés et de seconds noeuds associés

Citations (1)

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KR20150128528A (ko) *	2014-05-09	2015-11-18	주식회사 아이티엘	무선 통신 시스템에서 단말간 직접 통신을 위한 발견신호 전송 방법 및 장치

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CN101764627B (zh) *	2008-12-26	2014-05-07	株式会社Ntt都科摩	确定上行链路的解调导频序列的方法、终端以及上行链路系统
WO2010117240A2 (fr) *	2009-04-10	2010-10-14	Lg Electronics Inc.	Procédé et appareil permettant de transmettre un signal de référence dans un système de communication sans fil
EP2432135B1 (fr) *	2009-05-11	2018-02-21	LG Electronics Inc.	Procédé et dispositif de transmission d'un signal de référence dans un système à antennes multiples
WO2010147853A2 (fr) *	2009-06-16	2010-12-23	Interdigital Patent Holdings, Inc.	Décalage cyclique adaptatif de rang pour signal de référence de démodulation
US8848626B2 (en) *	2010-04-07	2014-09-30	Telefonaktiebolaget Lm Ericsson (Publ)	Scheduling retransmissions for contention-based access
CN101882980B (zh) *	2010-05-06	2015-07-22	中兴通讯股份有限公司	上行解调参考信号的指示方法及系统
KR101227520B1 (ko) *	2010-07-09	2013-01-31	엘지전자 주식회사	다중 안테나 무선 통신 시스템에서 상향링크 참조 신호 송신 방법 및 이를 위한 장치
JP2013017016A (ja) *	2011-07-04	2013-01-24	Sharp Corp	基地局装置、移動局装置、通信システムおよび通信方法
US8953478B2 (en) *	2012-01-27	2015-02-10	Intel Corporation	Evolved node B and method for coherent coordinated multipoint transmission with per CSI-RS feedback
KR101525048B1 (ko) *	2012-06-11	2015-06-08	주식회사 케이티	단말의 상향링크 사운딩 참조신호 전송방법 및 그 단말
WO2014142577A2 (fr) *	2013-03-13	2014-09-18	엘지전자 주식회사	Procédé de transmission d'informations de commande, et appareil associé
US9730174B2 (en) *	2014-02-27	2017-08-08	Lg Electronics Inc.	Method of transmitting a scheduling assignment signal for device-to-device communication in a wireless communication system, and an apparatus thereof
US10306571B2 (en) *	2014-07-29	2019-05-28	Sharp Kabushiki Kaisha	Terminal device, base station device, communication method, and integrated circuit
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CN107046513B (zh) *	2016-02-05	2019-11-12	上海诺基亚贝尔股份有限公司	配置上行共享信道的方法和设备
JP2019208086A (ja) *	2016-09-29	2019-12-05	シャープ株式会社	基地局装置、端末装置およびその通信方法
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2019
- 2019-10-29 JP JP2021523606A patent/JP7464594B2/ja active Active
- 2019-10-29 WO PCT/CN2019/114044 patent/WO2020088462A1/fr not_active Ceased
- 2019-10-29 US US17/290,586 patent/US20210359887A1/en not_active Abandoned
- 2019-10-29 CN CN201980072026.8A patent/CN112997557A/zh active Pending
- 2019-10-29 EP EP19879952.0A patent/EP3874870A4/fr active Pending

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KR20150128528A (ko) *	2014-05-09	2015-11-18	주식회사 아이티엘	무선 통신 시스템에서 단말간 직접 통신을 위한 발견신호 전송 방법 및 장치

Non-Patent Citations (4)

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LG ELECTRONICS: "Remaining issues on UL data transmission procedure", vol. RAN WG1, no. Vancouver, Canada; 20180122 - 20180126, 13 January 2018 (2018-01-13), XP051384837, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5FAH/NR%5FAH%5F1801/Docs/> [retrieved on 20180113] *
NEC: "Remaining issues on DMRS", vol. RAN WG1, no. Vancouver, Canada; 20180122 - 20180126, 12 January 2018 (2018-01-12), XP051384290, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5FAH/NR%5FAH%5F1801/Docs/> [retrieved on 20180112] *
QUALCOMM INCORPORATED: "Maintenance for DMRS", vol. RAN WG1, no. Vancouver, Canada; 20180122 - 20180126, 13 January 2018 (2018-01-13), XP051385133, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5FAH/NR%5FAH%5F1801/Docs/> [retrieved on 20180113] *
See also references of WO2020088462A1 *

Also Published As

Publication number	Publication date
JP2022506303A (ja)	2022-01-17
CN112997557A (zh)	2021-06-18
US20210359887A1 (en)	2021-11-18
WO2020088462A1 (fr)	2020-05-07
EP3874870A1 (fr)	2021-09-08
JP7464594B2 (ja)	2024-04-09

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2022-06-21	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H04W0072040000 Ipc: H04L0027260000
2022-07-27	A4	Supplementary search report drawn up and despatched	Effective date: 20220627
2022-07-27	RIC1	Information provided on ipc code assigned before grant	Ipc: H04L 5/00 20060101ALN20220621BHEP Ipc: H04J 13/16 20110101ALI20220621BHEP Ipc: H04L 25/02 20060101ALI20220621BHEP Ipc: H04L 27/26 20060101AFI20220621BHEP
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